Wireless headset



FIG. 1 is a front elevational view of a wireless headset showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines depicted portions of the wireless headset that form no part of the claimed design. 

CLAIM The ornamental design for wireless headset, as shown and described. 